1) In the key project of the Eleventh Five-Year National Science and Technology Support Plan "Research and Development of Key Technologies and Equipment for Efficient Mining of Coal Resources", it undertakes "freezing sinking technology for deep alluvium", "rapid excavation technology for thick coal seam", "electromechanical integration mining technology for thin coal seam", "safe and efficient mining technology under large water body" and "mining technology for difficult coal pillars and irregular blocks"
2) In the key project of the Eleventh Five-Year National Science and Technology Support Plan "Key Equipment and Technology for High-efficiency Intensive Mining in Coal Mines", it undertakes the research on "Complete set of technology and equipment for short-wall mechanized mining in medium-thick coal seam", "Driving technology and equipment for semi-coal rock roadway", "Key equipment for underground trackless auxiliary transportation", "Rapid driving technology and equipment for large-section coal roadway" and "Research and development of rapid moving technology and equipment for fully mechanized caving face with large mining height".
3) In the "Eleventh Five-Year Plan" national science and technology support program "Research on key technologies for emergency rescue of major disasters in wells and mines", undertake the research on "key technologies and equipment for quick rescue of people in distress".
4) In the "Eleventh Five-Year Plan" national science and technology support program "Key technologies and equipment for mine goaf water disaster detection and prevention", undertake the research on "mine water disaster rapid control technology and equipment".
2, undertake the national high-tech research and development "863" project.
Undertake the research of the national "863" plan project "Development of ash, moisture, calorific value, viscosity and density tester".
3 to undertake the "973" project of the national key basic research and development plan.
He is responsible for the national key basic research and development plan "973" project "Study on the superposition effect of deep coal and rock stress field and mining", "Study on the mechanism of rock burst under the condition of high-intensity mining and large mining depth" and "Study on the characteristics of mining stress field and fracture field and the coupling effect with gas flow field". 1, "Complete set of fully mechanized mining technology and equipment with an annual output of 6 million tons with high mining height", including key technologies of fully mechanized mining with high efficiency in 4 ~ 5m thick coal seam, high mining height, high-power electric traction shearer, two-column shielded high mining height powerful hydraulic support and its electro-hydraulic control technology, high-power heavy scraper conveyor, loader, crusher and other new technologies and products. The complete set of fully mechanized mining equipment with large mining height and full mining height with an annual output of 6 million tons has been successfully developed, which fills the gap of domestic high-end fully mechanized mining equipment and can completely replace imported similar equipment.
2. Shanxi Coal Machinery Equipment Co., Ltd. has completed four special fund projects for technology development and research in scientific research institutes of the Ministry of Science and Technology, such as "development of EML340 high-efficiency continuous miner", "development of support carrier", "development of four-arm anchor drilling car" and "development of WD 13 shuttle car", which have passed the acceptance of experts, providing high-level equipment for short-wall mining, room and pillar mining and hydraulic support handling, and filling the domestic blank.
3. The special fund project "Research on Rapid Chemical Reinforcement Technology and Materials of Extremely Broken Coal and Rock Mass" and the social welfare project "Research on Green Filling Mining Technology of Coal Mine" completed by Tiandi Science and Technology Mining Design Division passed the acceptance of experts.
A new type of urea-formaldehyde grouting material developed by "Research on Rapid Chemical Reinforcement Technology and Materials for Extremely Broken Coal and Rock Mass" has the characteristics of low viscosity, strong permeability and high strength after curing. The new polyurethane water plugging reinforcement material has good reinforcement performance under the condition of large area water spraying in broken coal and rock mass. High-strength drilling, anchoring, grouting bolts, hole sealers with different sizes and supporting construction machinery have been developed, and good results have been achieved in field application.
"Research on Green Filling Mining Technology in Coal Mine" analyzes the main control factors that affect the subsidence reduction effect of filling strip mining, carries out the simulation experiment research of filling material gradation and the numerical simulation research of filling body-coal pillar-surrounding rock stress and surface subsidence in filling strip mining, and makes on-site observation of coal pillar stress. The filling mining technology of small strip gangue under permanent coal pillars and dense buildings provides a new technical way for gangue not to leave the well and build green mines, and has broad application prospects.
4. Tiandi Technology Changzhou Automation Branch completed three national technological innovation projects, such as "Mine Multifunctional Mobile and Disaster Relief Communication System", "Coal Mine Safety Production Information Remote Monitoring System" and "Development of Underground Personnel Monitoring and Positioning System", and the "Research on Spread Spectrum Communication Technology in Coal Mine" of scientific research institutes passed the acceptance of experts.
According to the characteristics of China's coal mines, the project of "Mine Multifunctional Mobile Disaster Relief Communication System" has developed a mobile disaster relief communication system with voice, data and image transmission functions, which can realize the disaster relief communication function in an emergency and expand the wireless coverage.
The project "Remote Monitoring System of Coal Mine Safety Production Information" has successfully developed a remote monitoring system of coal mine safety production information, and established a hierarchical processing mechanism of coal mine monitoring data, which provides a platform for coal mine safety supervision and supervision and management departments to remotely monitor mine environmental safety information in real time.
The project "Development of Underground Personnel Monitoring and Positioning System" successfully developed the coal mine personnel positioning system and buried personnel detector based on RFID technology for the first time in China. The system has the statistical attendance function, and the detector has the detection function initially.
The project "Research on Spread Spectrum Communication Technology in Coal Mine" successfully developed the underground wireless communication system based on CDMA technology for the first time, which realized the mine dispatching communication combining wired communication and wireless communication network, and had the function of data and image transmission.
5. MG320/7 10-WD, MG300/720-AWD AC traction shearer successfully developed by Tiandi Science and Technology Shanghai Branch has filled the blank of short-body high-power electric traction shearer in the field of thin and medium-thin coal seams in China, and it is a comprehensive mechanized coal mining equipment for thin and medium-thin coal seams in China with high comprehensive performance index at present. The MG 160/375-WD AC traction shearer designed and developed for small and medium-sized coal mines has reached the leading level in China, providing technical means for small and medium-sized coal mines to achieve high-yield and efficient production.
6. Tiandi Technology Co., Ltd. invented the "method and equipment for rapid measurement of underground geostress parameters in coal mines" and obtained the invention patent.